<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>v-model初体验</title>
</head>
<body>
    <div id="app">
        <input type="text" v-model="val">
        <h3>{{val}}</h3>
    </div>
    <script src="../vue/vue.js"></script>
    <script>
        const app = new Vue({
            el:"#app",
            data:{
                val:''
            },
            methods: {
                
            },
        });
    </script>
</body>
</html>